The best times to visit Casma for ideal weather are
any time of year (no, really)
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Casma Travel Guide
Other Casma Travel Info
Weather in Casma
Temperature
Average temperatures in Casma vary very little. Considering humidity, temperatures feel very enjoyable all year with a very low chance of rain or snow throughout the year. The area is among the most temperate — in the 99th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Casma, the hottest months are February, March, and then January. See average monthly temperatures below. The warmest time of year is generally early February where highs are regularly around 78.2°F (25.7°C) with temperatures rarely dropping below 67.4°F (19.7°C) at night.
Casma Temperatures (Fahrenheit)
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Casma Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Casma Perceived Temperature (F)
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Casma Perceived Temperature (C)
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Average Casma Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 76.3 | 70.7 | 65.2 |
| Feb | 77.8 | 72.2 | 67.2 |
| Mar | 77.3 | 71.8 | 67 |
| Apr | 74 | 68.4 | 64.1 |
| May | 72.5 | 67.5 | 63.9 |
| Jun | 71.1 | 66.6 | 63.4 |
| Jul | 69.1 | 64.4 | 61.2 |
| Aug | 67.7 | 63.1 | 59.9 |
| Sep | 67.8 | 62.9 | 59.7 |
| Oct | 68 | 63 | 59.9 |
| Nov | 70 | 64.8 | 61.2 |
| Dec | 72.2 | 66.9 | 63.2 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 24.6 | 21.5 | 18.4 |
| Feb | 25.4 | 22.3 | 19.6 |
| Mar | 25.2 | 22.1 | 19.4 |
| Apr | 23.3 | 20.2 | 17.8 |
| May | 22.5 | 19.7 | 17.7 |
| Jun | 21.7 | 19.2 | 17.4 |
| Jul | 20.6 | 18 | 16.2 |
| Aug | 19.8 | 17.3 | 15.5 |
| Sep | 19.9 | 17.2 | 15.4 |
| Oct | 20 | 17.2 | 15.5 |
| Nov | 21.1 | 18.2 | 16.2 |
| Dec | 22.3 | 19.4 | 17.3 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Casma are May, June, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early February with an average of 0 days of significant precipitation the week of February 5th.
When can you find snow in Casma? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Casma.
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Snow on the Ground
The graph below shows the average snow on the ground in Casma (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 0% | 0 | 0.1 |
| Feb | 2% | 0 | 0.2 |
| Mar | 2% | 0 | 0.2 |
| Apr | 0% | 0 | 0 |
| May | 0% | 0 | 0 |
| Jun | 0% | 0 | 0 |
| Jul | 0% | 0 | 0 |
| Aug | 0% | 0 | 0 |
| Sep | 0% | 0 | 0 |
| Oct | 0% | 0 | 0 |
| Nov | 0% | 0 | 0 |
| Dec | 0% | 0 | 0 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 0 | 0 | 0.3 |
| Feb | 2 | 0 | 0.5 |
| Mar | 2 | 0 | 0.5 |
| Apr | 0 | 0 | 0 |
| May | 0 | 0 | 0 |
| Jun | 0 | 0 | 0 |
| Jul | 0 | 0 | 0 |
| Aug | 0 | 0 | 0 |
| Sep | 0 | 0 | 0 |
| Oct | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 |
Humidity and Wind
Casma has some very humid months, and high humidity throughout the year. The least humid month is January (77.4% relative humidity), and the most humid month is December (80.1%).
Wind in Casma is usually moderate. The windiest month is October, followed by September and May. October’s average wind speed of around 7.6 knots (8.8 MPH or 14.1 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early October where average top sustained speeds reach 11.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Casma.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 6.7 | Light breeze | 10.6 | Gentle breeze |
| Feb | 6.5 | Light breeze | 10.5 | Gentle breeze |
| Mar | 6.8 | Light breeze | 10.7 | Gentle breeze |
| Apr | 7 | Gentle breeze | 10.9 | Gentle breeze |
| May | 7.2 | Gentle breeze | 11.2 | Gentle breeze |
| Jun | 6.8 | Light breeze | 10.6 | Gentle breeze |
| Jul | 7 | Gentle breeze | 10.7 | Gentle breeze |
| Aug | 7.2 | Gentle breeze | 10.9 | Gentle breeze |
| Sep | 7.6 | Gentle breeze | 11.3 | Gentle breeze |
| Oct | 7.6 | Gentle breeze | 11.5 | Significant breeze |
| Nov | 7.2 | Gentle breeze | 11.2 | Gentle breeze |
| Dec | 6.9 | Light breeze | 11 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 77.4% |
| Feb | 77.8% |
| Mar | 78.7% |
| Apr | 79.9% |
| May | 79% |
| Jun | 79.4% |
| Jul | 79% |
| Aug | 79.5% |
| Sep | 79.6% |
| Oct | 79.4% |
| Nov | 78.7% |
| Dec | 80.1% |
Is it Safe to Travel to Casma?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Dec 04, 2023 there are travel warnings and regional advisories for Peru; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 29, 2023.
The Busiest and Least Crowded Months
The busiest month for tourism in Casma, Peru is May, followed by March and April. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Casma in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Casma Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 78°F (25.6°C) and 71.9°F (22.2°C) with colder temperatures in the later months. Rain is extremely rare with 0 to 1 days of significant precipitation per month. Fall is the busiest for tourism, which makes it a good time for those looking for things to do.
Winter (June through August)
The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the second busiest season for tourism in Casma, so lodging and other accommodations may cost slightly more.
Spring (September through November)
Spring daily highs range from 70.7°F (21.5°C) and 67.2°F (19.6°C), which will feel comfortable given the humidity and wind. It rains or snows a trivial amount: approximately 0 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Summer (December through February)
Weather is perfect this time of year in Casma to be enjoyable for warm weather travelers. The average high during this season is between 78.2°F (25.7°C) and 71.5°F (21.9°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are fairly slow with tourists.
Best Times to Travel› Peru › Casma, Peru